3D Models at Gandoza
Gandoza is a professional online store specializing in high quality 3d models and 3d modelling services.
http://www.gandoza.com/
American Paper Optics | 3D Glasses
Online source for anything and everything 3-D that offers paper 3D glasses and a variety of other 3D solutions.
http://www.3dglassesonline.com/
Bad Human Factors Designs
Illustrated examples of things that are hard to use because they do not follow human factors principles.
http://www.baddesigns.com/